Definition of Cluster

The smallest amount of disk space that can be allocated to hold a file.

A group of independent computers that work together to provide a common set of services and present a single-system image to clients. The use of a cluster enhances the availability of the services and the scalability and manageability of the operating system that provides the services.

A group of warehouse-related work items of the same type, based on userdefined criteria (such as location and inventory number).

process of connecting multiple servers together in order to provide greater overall system availability, performance, and capacity for your server platforms.